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Kprobes on ftrace

Web29 jun. 2024 · And, as it turned out, ftrace suits our needs for tracing function calls even better than jprobes. Ftrace allows you to hook critical Linux kernel functions by their names, and hooks can be installed without rebuilding the kernel. In the next part of our series, we’ll talk more about ftrace.

debug/kprobes-on-ftrace/arch-support.txt 2 +- - LKML.ORG

WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH] LoongArch: Add kprobe on ftrace support @ 2024-02-03 8:51 Tiezhu Yang 2024-02-03 9:00 ` Huacai … WebPath /lib/modules/5.10.177-0-lts/build /usr/src/linux-headers-5.10.177-0-lts/.config /usr/src/linux-headers-5.10.177-0-lts/.config.old /usr/src/linux-headers-5.10.177 ... tribury eye care woodbury https://iaclean.com

Re: [PATCH -tip v5 12/18] ftrace/kprobes: Use …

WebKprobes Jump Optimization: Usage Optimization is transparently done Don't require any user-side changes No kABI change – Just add a flag bit on internal kprobe->flags Not all probes are optimized Sysctl interface Disabling/Enabling optimization via sysctl “debug.kprobes-optimization” Web6 mei 2024 · Linux debugging, tracing, profiling & perf. analysis. Check our new training course. with Creative Commons CC-BY-SA Web15 nov. 2024 · Note however there is an ftrace optimization; when we place the kprobe at an ftrace site - function entry - the ftrace trampoline is used instead for kprobe handling. … tribus aerospace corporation

Dynamic probes with ftrace [LWN.net]

Category:Linux内核调试技术——kprobe使用与实现 - 腾讯云开发者社区-腾 …

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Kprobes on ftrace

An introduction to KProbes [LWN.net]

Weblinux-lowlatency-hwe-5.15-headers-5.15.0-70 - Header files related to Linux kernel version 5.15.0 WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed From: Li Huafei To: , ,

Kprobes on ftrace

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Web- Both bugs are related to the optprobe. - First bugfix is optprobe to recover instructions when thoes are modified with jump. - Second bugfix is kprobes to recover it too. This series also includes a patch which split optprobes parts out from kprobes x86 implementation. Web28 jul. 2009 · The kprobes mechanism has been a part of the kernel for a long time; LWN ran an overview of it back in 2005. Kprobes are, of course, dynamic tracepoints; by use …

Web28 jul. 2024 · This is the arm64 version of ftrace-based kprobes to avoid the overhead with regular kprobes, by using the ftrace infrastructure. Signed-off-by: Jianlin Lv … http://terenceli.github.io/%E6%8A%80%E6%9C%AF/2024/08/05/tracing-basic

Web之前使用ftrace的时候需要一系列的配置，使用起来有点繁琐，这里推荐一个ftrace的一个前端工具，它就是trace-cmd trace-cmd安装 ... *Trace max latency:* Shows the value of … Web1 apr. 2015 · 目前，使用kprobe可以通过两种方式，第一种是开发人员自行编写内核模块，向内核注册探测点，探测函数可根据需要自行定制，使用灵活方便；第二种方式是使 …

WebFtrace is an inbuilt kernel feature; its code is deeply ingrained into that of the kernel itself. It provides developers (anyone with root access, really) with a way to look deep within the kernel, perform detailed traces to see exactly what's going on inside, and to even get help with performance/latency issues that may crop up.. A simple way to think about ftrace's …

Web17 nov. 2024 · 使用方式：2种，第一种是编写内核模块，向内核注册探测点，自定义回调函数；第二种是使用kprobes in ftrace，这种方式结合kprobe和ftrace，可以通过kprobe来 … teresa bult constangyWebKprobes executes the "pre_handler" associated with the kprobe, passing the handler the addresses of the kprobe struct and the saved registers. Next, Kprobes single-steps its … tribury rotary clubWeb* [PATCH -tip v5 0/8] Kprobes/x86: Batch optimization support @ 2010-12-03 9:53 Masami Hiramatsu 2010-12-03 9:53 ` [PATCH -tip v5 1/8] [CLEANUP] kprobes: Rename old_p to more appropriate name Masami Hiramatsu ` (7 more replies) 0 siblings, 8 replies; 21+ messages in thread From: Masami Hiramatsu @ 2010-12-03 9:53 UTC (permalink / raw) … tribury construction sudbury